COMPACT CONTAINER HAVING AN AIRLESS PUMP

• US 20120305606A1
• Filed: 04/20/2010
• Published: 12/06/2012
• Est. Priority Date: 02/12/2010
• Status: Active Grant

• Current Assignee: F.S. Korea Industries, Inc., Pum-tech Korea Co., Ltd.
• Original Assignee: F.S. Korea Industries, Inc., Pum-tech Korea Co., Ltd.
• Inventors: Hwang, Jae Kwang, Lee, Do Hoon
• Granted Patent: US 8,881,946 B2
• Time in Patent Office: Days
• US Class Current: 222/383.1
• CPC Class Codes: A45D 2200/056 Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
• CPC Class Codes: A45D 33/02 with dispensing means, e.g. sprinkling means
• CPC Class Codes: A45D 34/00 Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
• CPC Class Codes: B05B 11/0032 Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters automatically removed during actuation of a spray pump B05B11/1053
• CPC Class Codes: B05B 11/029 located on top of the remaining content
• CPC Class Codes: B05B 11/1011 without substantial movement of the nozzle in the direction of the pressure stroke
• CPC Class Codes: B05B 11/1023 having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
• CPC Class Codes: B05B 11/1053 combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation

Abstract

The present invention relates to a compact container having an airless pump, and more particularly, to a compact container for discharging cosmetic in preset amount when the pump is driven by pressing a button. The compact container having an airless pump, includes: a casing including an upper case and a lower case and accommodating cosmetics; a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with the inner space of the outer wall; a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics is discharged, and a through-hole formed at a side thereof; an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder; an airless pump installed at the depression of the cylinder to discharge the cosmetics accommodated in the cylinder to the outside; and a button formed at the through-hole to operate the airless pump.

Claims

1. A compact container having an airless pump comprising:

a casing including an upper case and a lower case and accommodating cosmetics;

a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with the inner space of the outer wall;

a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics is discharged, and a through-hole formed at a side thereof;

an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder;

an airless pump installed at the depression of the cylinder to discharge the cosmetics accommodated in the cylinder to the outside; and

a button formed at the through-hole to operate the airless pump.

2. The compact container as claimed in claim 1, wherein the plate includes an annular downwardly extending wall formed around the discharging hole;

wherein the airless pump comprises;

a piston support including a hollow rod extending upwardly from the center, a plurality of holes formed on the circumference communicating the inside with the outside, and a flange formed at the lower side;

an annular inner piston installed between the rod of the piston support and the depression of the cylinder and elevating up and down; and

a stem including a protrusion protruding upwardly from the center to close the discharging hole of the plate, an opening formed around the protrusion through which the cosmetic introduced through the hollow inside of the piston support passes, and an annular trench concentric with the protrusion to guide the downwardly extending wall of the plate;

wherein the button comprises an auxiliary button seated on the stem and having an elastic downward slope and a main button seated on the auxiliary button and having a protrusion formed at a side and exposed to the through-hole of the plate.